Thomas, Adam Douglas
The physical conditions in the narrow-line regions
(NLRs) of active galactic nuclei (AGN) may be constrained by
comparing spectroscopic observations with photoionisation models.
The key parameters are the gas-phase abundances, the ionisation
parameter, the gas pressure, and the shape of the ionising
spectrum. The first part of this thesis presents a model of the
ionising continuum radiation in Seyfert AGN. This model, OXAF,
preserves the...[Show more]
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